Sample tube rack



FIG. 1 is a perspective view of sample tube rack showing my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a rear side elevational view;

FIG. 4 is a right elevational view;

FIG. 5 is a left side elevational view;

FIG. 6 is a top plan view;

FIG. 7 is a bottom plan view; and,

FIG. 8 is an exploded view.

The broken lines consisting of equal length dash lines in the drawingsdepict parts of the sample tube rack that form no part of the claimeddesign. The broken lines consisting of long and short dashed lines inthe drawings depict boundaries of the claimed design, and it isunderstood that the claim extends to the boundaries that form no part ofthe claimed design.

CLAIM The ornamental design for sample tube rack, as shown anddescribed.